ArticleProceedings of the National Academy of Sciences of the United States of America2019
How collective asperity detachments nucleate slip at frictional interfaces.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Experimental evidence of seismic ruptures initiated by aseismic slip.Nature communications · 2024Article
- Armouring of a Frictional Interface by Mechanical Noise.Journal of statistical physics · 2024Article
- Static friction coefficient depends on the external pressure and block shape due to precursor slip.Scientific reports · 2023Article
- Earthquake Nucleation Along Faults With Heterogeneous Weakening Rate.Geophysical research letters · 2021Article
- How collective asperity detachments nucleate slip at frictional interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
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5 authors.
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Abstract
Sliding at a quasi-statically loaded frictional interface can occur via macroscopic slip events, which nucleate locally before propagating as rupture fronts very similar to fracture. We introduce a microscopic model of a frictional interface that includes asperity-level disorder, elastic interaction between local slip events, and inertia. For a perfectly flat and homogeneously loaded interface, we find that slip is nucleated by avalanches of asperity detachments of extension larger than a critical radius [Formula: see text] governed by a Griffith criterion. We find that after slip, the density of asperities at a local distance to yielding [Formula: see text] presents a pseudogap [Formula: see text], where θ is a nonuniversal exponent that depends on the statistics of the disorder. This result makes a link between friction and the plasticity of amorphous materials where a pseudogap is also present. For friction, we find that a consequence is that stick-slip is an extremely slowly decaying finite-size effect, while the slip nucleation radius [Formula: see text] diverges as a θ-dependent power law of the system size. We discuss how these predictions can be tested experimentally.
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